alleryOvulation in a typical 28-day human menstrual cycle occurs around day
Aday 1
Bday 7
Cday 14
Dday 28
Answer & Solution
Correct answer: C. day 14
Ovulation around day 14 — triggered by a surge of LH.
The egg is then viable for ~24 hours
sperm can survive ~5 days, so fertile window is ~6 days around ovulation.
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